Finding the Fourth Proportional to 1,724,587.80, 2,379,935.44 and 1,036,271.12
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Solution
The fourth proportional to 1,724,587.80, 2,379,935.44 and 1,036,271.12 is: 1,430,056.71
Step by Step Solution
- Step 1: Write the proportion equation
1,724,587.80 : 2,379,935.44 = 1,036,271.12 : x - Step 2: Convert to fraction form
1,724,587.80/2,379,935.44 = 1,036,271.12/x - Step 3: Cross multiply
1,724,587.80x = 2,379,935.44 × 1,036,271.12 - Step 4: Simplify right side
1,724,587.80x = 2,466,258,363,936.49 - Step 5: Solve for x
x = 2,466,258,363,936.49/1,724,587.80 - Step 6: Final answer
x = 1,430,056.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.